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Merge pull request #47660 from Faless/js/4.x_webgl_fallback

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[HTML5] Implement WebGL fallback.
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Rémi Verschelde 2021-04-06 13:07:51 +02:00 committed by GitHub
commit 64e8eee3c6
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2 changed files with 12 additions and 0 deletions
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1
platform/javascript/godot_js.h
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@ -71,6 +71,7 @@ extern int godot_js_display_fullscreen_exit();
extern void godot_js_display_compute_position(int p_x, int p_y, int32_t *r_x, int32_t *r_y);
extern void godot_js_display_window_title_set(const char *p_text);
extern void godot_js_display_window_icon_set(const uint8_t *p_ptr, int p_len);
extern int godot_js_display_has_webgl(int p_version);
// Display clipboard
extern int godot_js_display_clipboard_set(const char *p_text);

11
platform/javascript/js/libs/library_godot_display.js
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@ -719,6 +719,17 @@ const GodotDisplay = {
GodotRuntime.setHeapValue(r_y, (y - rect.y) * rh, 'i32');
},
godot_js_display_has_webgl__sig: 'ii',
godot_js_display_has_webgl: function (p_version) {
if (p_version !== 1 && p_version !== 2) {
return false;
}
try {
return !!document.createElement('canvas').getContext(p_version === 2 ? 'webgl2' : 'webgl');
} catch (e) { /* Not available */ }
return false;
},
/*
* Canvas
*/